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Unread 06-01-2009, 23:07
GregT GregT is offline
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Re: Propulsion that does not involve driving wheels

Quote:
Originally Posted by Steven092391 View Post

With this being said, I would think that this wonderful concept has deemed itself invalid due to one simple fact- if at ANY MOMENT IN TIME you place scales under your machine and they read more than 120 lbs (excluding battery and bumpers of course), IT'S ILLEGAL! And if this concept were put into play and this isn't true? It's completely useless...Just bolt a piece of steel to it...it's much more energy efficient!
So my 120 lbs robot is not allowed to pick up any balls? If a robot carries a lot of balls it will have a greater normal force and more traction.

The rule referenced seems to be talking about weight, which by definition is a force due to gravity. Pushing off other objects (such as air with a fan) will result in a greater normal force, not weight.

Back in 2002 there were a lot of robots capable of lifting the primary game piece (a movable goal) specifically to gain normal force for traction. If my memory serves me, this resulted in a lot of torn carpet- but it was legal that year (R29 seems to prohibit similar strategies this year).
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Last edited by GregT : 06-01-2009 at 23:15.